19649954

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{1093}}^1$

素因数の和:1285

約数の個数: 16

約数和(自身を含む): 30128760

約数和(自身を除く): 10478806

約数列:

[1, 2, 89, 101, 178, 202, 1093, 2186, 8989, 17978, 97277, 110393, 194554, 220786, 9824977, 19649954]

約数ペア:

[(1, 19649954), (2, 9824977), (89, 220786), (101, 194554), (178, 110393), (202, 97277), (1093, 17978), (2186, 8989)]